Find the number of ways of selecting 4 English, 3 Telugu and 2 Hindi books out of 7 English, 6 Telugu and 5 Hindi books.

The number of ways that 3 English, 3 Hindi & 3 Telugu books can be chosen from a shelf containing 5 English, 4 Hindi and 3 Telugu books is

The number of ways that 3 English , 3 hindi & Telugu books can be chosen from a shelf containing 5 English , 4 hindi and 3 Telugu books is

The number of ways in which 6 Telugu, 4 Hindi and 3 English books be placed in a row on a shelf so that the books of the same subject should remain together is

There are 7 Telugu books and 4 Hindi books. From those in how many ways can 4 Telugu and 1 Hindi book be arranged so that the Hindi book is always at the middle is

In how many ways can 21 English and 19 Hindi books be placed in a row so that no two hindi books are together?

In how many ways can 21 identical English and 19 identical Hindi books be placed in a row so that no two Hindi books are together?

The number of ways of selecting 8 books from a library which has 9books each of Mathematics,Physics,Chemistry and English is:

The number of ways of selecting 8 books from a library which has 9 books each of Mathematics, Physics, Chemistry and English is: